# if语句(多重 嵌套)
# if 条件表达式1:
#    代码块
# elif 条件表达式2:
#    代码块
# else:
#    代码块
if 5 > 2:
    print("1")
else:
    print("0")

# a b c 比较大小
# 嵌套
a = 1
b = 2
c = 3
if a > b:
    if a > c:
        print("max=a")
    else:
        print("max=c")
else:
    if b > c:
        print("max=b")
    else:
        print("max=c")
# 多重
if a > b and a > c:
    print("max=a")
elif b > a and b > c:
    print("max=b")
elif c > a and c > b:
    print("max=c")

